Home / 12,651,031.12-18,977,713.26-4,131,412.24

Finding the Fourth Proportional to 12,651,031.12, 18,977,713.26 and 4,131,412.24

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Solution

The fourth proportional to 12,651,031.12, 18,977,713.26 and 4,131,412.24 is: 6,197,499.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,651,031.12 : 18,977,713.26 = 4,131,412.24 : x
  2. Step 2: Convert to fraction form
    12,651,031.12/18,977,713.26 = 4,131,412.24/x
  3. Step 3: Cross multiply
    12,651,031.12x = 18,977,713.26 × 4,131,412.24
  4. Step 4: Simplify right side
    12,651,031.12x = 78,404,756,849,574.31
  5. Step 5: Solve for x
    x = 78,404,756,849,574.31/12,651,031.12
  6. Step 6: Final answer
    x = 6,197,499.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.